Features: This universal restrictable throttle kit will suit 47cc and 49cc mini motos and pocket bikes. This product includes one restrictable twist throttle 3 stage grip, one left hand grip and 72.5cm Gold coded throttle cable. The throttle cable loops through the orange covered housing onto the twist section. 3 levels of restriction open to them, fully restricted, semi restricted and fully restricted by simply repositioning the restrictor screw. Easy to install, without any complicated procedures, more convenient and practical. Specification: Item Type: Throttle 3 stage grip Condition: Brand new Material: ABS Color: Black Restrictable twist throttle 3 stage grip Diameter of Central Hole: Approx.22mm/0.9in Overall Length: Approx.14.9cm/5.9in Left Hand Grip: Length: Approx.9cm/3.5in Diameter of Central Hole: Approx.22mm/0.9in Throttle Cable Length: Approx.72.5cm/28.5in Application: Suitable for mini moto pocket dirtbikes / for CRX50 dirt bikes, mini moto quads with twist throttle, mini moto racing bikes both air and water cooled, mini motards, projects and other self builds.   Package List: 1 x Restrictable Twist Throttle 3 Stage Grip 1 x Left Hand Grip 1 x Throttle Cable   Note: 1. Instruction is not included,professional installation is highly recommended. 3. Allow 0.5-1 inch difference due to manual measurement. (1 inch = 2.54 cm)